Operating system macOS Joplin version 3.5.13 Desktop version info Device: darwin, Intel(R) Core(TM) i7-1068NG7 CPU @ 2.30GHz Client ID: [redacted] Sync Version: 3 Profile Version: 49 Keychain Supported: Yes Alternative instance ID: - Revision: 0c1511f Backup: 1.5.1 Freehand Drawing: 4.2.0 …

I have the same problem on windows 11 and Avast detecting a .md file from Joplin as a threat !

@Jojo1 @asbefore How often does this actually happen? I also use Joplin with Avast antivirus and I use the Joplin sync service. I rarely run into a problem with it trying to quarantine a markdown file Perhaps it is something that you are consistently putting in the markdown files other than text?

I think the issue is that there are a lot of security vulnerabilities being discovered recently due to the advancement of AI, and many companies are releasing more patches and improving their security. I'm guessing antivirus software have recently added new behavioural rules which flags Joplin's exi…

[image] mrjo118: because several people have suddently been getting these alerts from their antivirus in the last couple of days Though the recent ones I have seen on this forum are all Avast. @asbefore The alert ID says "HttpRequest". If your note does not actually contain some kind of cod…

Thanks for pointing that out. I did another search using a different search engine and it seems that Avast, AVG (which is also Avast), and Norton have started flagging something in non-executable documentation markdown files as suspicious. This GitHub post for another application suggests that for …

Thanks, all -- so is the suggestion to check my notes for "http://" string?

The solution (on the linked post about Norton) is to set a directory exclusion on your antivirus for the relevant Joplin directory it raising as having a malware

which directory would I exclude? (I'm on a Mac) Thank you!

Not sure exactly, because it is truncated on the screenshot of the Avast alert. Have a look in the quarantine and post the full path of the quarantined file here, as you won't want to set the exclusion too wide or narrow

Avast and Joplin threat secured

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mrjo118 29 April 2026 10:45 6

Though the recent ones I have seen on this forum are all Avast.

There was a report on Norton as well

Topic		Replies	Views
Avast identifies Joplin infected with md:httprequest-inf [sups]? Support	4	197	30 April 2026
Avast flags Joplin as having malware Support	26	1929	21 June 2023
Avast is quarantining Joplin as having malware Support	2	613	17 May 2023
Avast detects Joplin Web Clipper as unreputed addon Support	9	910	18 June 2019
Windows Defender Quarantines Joplin.exe, Category: "Backdoor" Support	5	1110	6 April 2024

Avast and Joplin threat secured

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